Powertrain Management: Locations

Engine Controls Component Views

Front of the Battery Tray




1 - Battery
2 - Engine Control Module (ECM)
3 - Transmission Control Module (TCM)

Front View of Engine - LZ4




1 - MAF/IAT Sensor
2 - Evaporative Emission (EVAP) Canister Purge Solenoid Valve
3 - Throttle Actuator Control (TAC) Module
4 - Fuse Block - Underhood
5 - Engine Control Module (ECM)
6 - Transmission Control Module (TCM)
7 - C100
8 - Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1
9 - Starter
10 - Engine Oil Pressure (EOP) Sensor
11 - Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2
12 - Knock Sensor 2

Left Rear of Engine Compartment




1 - Coolant Level Switch
2 - Battery
3 - Electronic Brake Control Module (EBCM)
4 - C101
5 - G103
6 - Fuse Block - Underhood

Lower Left Front of Engine




1 - Engine Oil Pressure (EOP) Sensor
2 - Starter
3 - Starter Solenoid
4 - Knock Sensor (KS) 2

Top View of Engine - LZ4




1 - Fuel Injector 6
2 - Fuel Injector 5
3 - Fuel Injector 4
4 - Camshaft Position (CMP) Sensor
5 - Fuel Injector 1
6 - Fuel Injector 2
7 - Fuel Injector 3

G105 and G106




1 - Throttle Actuator Control (TAC) Module
2 - G106
3 - G105

Rear View of Engine - LZ4




1 - MAP Sensor
2 - Ignition Control Module (ICM)
3 - Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1
4 - Knock Sensor 1
5 - Engine Coolant Temperature (ECT) Sensor
6 - Crankshaft Position (CKP) Sensor
7 - Vehicle Speed Sensor (VSS)
8 - Engine Oil Level Sensor
9 - Heated Oxygen Sensor (HO2S) Bank 1 Sensor 2
10 - Park/Neutral Position (PNP) Switch

Oxygen Sensors




1 - Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1
2 - Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1
3 - Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2
4 - Heated Oxygen Sensor (HO2S) Bank 1 Sensor 2

Park Brake and Pedal Assemblies

Park Brake And Pedal Assemblies:

1 - Park Brake Switch
2 - Adjustable Pedal Module (JF4)
3 - Brake Pedal Position Sensor
4 - Adjustable Pedal Position Sensor (JF4)
5 - Adjustable Accelerator Pedal Position Motor (JF4)
6 - Accelerator Pedal Position (APP) Sensor
7 - Floor Panel

Fuel Tank Components




1 - Evaporative Emission (EVAP) Canister
2 - Evaporative Emission (EVAP) Canister Vent Solenoid Valve
3 - Fuel Pump and Sender Assembly
4 - Fuel Tank Pressure (FTP) Sensor
5 - Fuel Tank